Mission Hospital was founded in Mission Viejo in 1971 and has continued to develop new programs and services to meet the ever changing needs of the community. In 1993, Mission Hospital partnered with CHOC Children’s to provide pediatric services and a year later, became a member of the St. Joseph Health network of care. In 2009, Mission Hospital expanded its geographic footprint to include south Orange County’s coast line by acquiring Mission Hospital Laguna Beach.

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Mission Hospital has an award-winning staff that is leading the way in medical ingenuity. Our accomplishments have led to such awards as the Outstanding Achievement Award for the Commission on Cancer in 2008 – causing us to be one of 66 hospitals in the entire nation to be honored. Combining care for the mind, body and spirit, we take a unique approach to every individual patient.

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At Mission Hospital, our Centers of Excellence offer a comprehensive, multidisciplinary approach to a specific condition. Choosing where to receive your healthcare is an important decision. When you choose Mission Hospital, you benefit from the convenience of advanced technology, and the peace of mind that comes from being cared for by compassionate staff.
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The Mission Hospital Foundation embodies the Spirit of Giving by building lifelong relationships with community members and raising funds to support Mission Hospital.
Mission Hospital Foundation will be the critical force in supporting Mission Hospital's vision to serve the community with the most advanced diagnostic care in the world.

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Cancer Center

Linear Accelerator

Thanks to a generous donation by the Swenson family, we offer the Swenson Family Linear Accelerator Suite. This state-of-the-art linear accelerator provides advanced cancer treatment through pointed radiation. Cancer cells can be destroyed more effectively and efficiently through high-energy x-rays applied directly to the patient's tumor. The precision and individualization of the linear accelerator means that the patient can receive higher doses of radiation directly to cancerous cells while sparing the surrounding healthy tissue. Knowing that undergoing treatment is emotionally challenging, an interior garden-like setting was created directly in the treatment room so that patients may find peace and solace.